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There are more than 300 sediment-hosted Zn–Pb deposits and occurrences in Iran and most of them occur within carbonate rocks, including world-class deposits such as Mehdiabad, Irankuh and Angouran. To achieve a broad metallogenetic framework for carbonate-hosted (CH) Zn–Pb resources in Iran, we developed a GIS database with all reported deposits and occurrences of this affinity. From this database and the age of host rocks, two major groups of CH Zn–Pb deposits can be established and linked to different tectonic events: (a) Permian–Triassic-hosted deposits (mainly of the Mississippi Valley-type; MVT), and (b) Cretaceous-hosted deposits. The Permian–Triassic-hosted deposits are concentrated in the Central Alborz metallogenic belt, the NE margin of Sanandaj–Sirjan Zone (SSZ), and the Tabas-Posht e Badam metallogenic belt, whereas those hosted by Cretaceous carbonate rocks are distributed in …